Constellar Kaus

Level 4 LIGHT/Beast-Warrior Effect Monster
1800 ATK / 700 DEF

Cannot be used as a Synchro Material. Up to twice per turn: You can target 1 "Constellar" monster on the field, then activate 1 of these effects;
● Increase its Level by 1.
● Reduce its Level by 1.

Rulings – Yugipedia

Printings:

Duel Terminal 7a: DT07-EN069 (Duel Terminal Rare Parallel Rare) - 2012-09-28
Hidden Arsenal 7: Knight of Stars: HA07-EN045 (Secret Rare) - 2013-04-26
Star Pack ARC-V: SP15-EN008 (Common) - 2015-06-12
Star Pack ARC-V: SP15-EN008 (Shatterfoil Rare) - 2015-06-12

Prices:

Cardmarket: 0.24 €
TCGplayer: $ 1.11